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Publishing Venue

Abstract

Disclosed is a method for fast data copies using the microengine write-transfer mechanism. Benefits include improved performance.

Country

Undisclosed

Language

English (United States)

This text was extracted from a Microsoft Word document.

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100% of the total text.

Method for fast data copies using the microengine
write-transfer mechanism

Disclosed is a method for fast data copies using the microengine
write-transfer mechanism. Benefits include improved
performance.

Description

The disclosed method
is fast data copies using the write-transfer mechanism of a network processor
with 6 multithreaded microengines, a 6.26 Gbps I/O bus, integrated memory
controllers and an external device with loop-back mode.

The microengines use
quad-word (8-byte) aligned addresses. As a result, a high number of
instructions must be used to realign data on any given byte boundary. By using
the byte-alignment capabilities of the write-transfer mechanism, a higher
throughput is achieved. However, a decrease occurs in physical density.

The disclosed method
uses the inherent weaknesses of the network processor to accomplish a specific
task.